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Here it is: the fix for shoulder blade/scapular weakness on one side that makes progressing your P90X workout, or any upper body workout for that matter, harder.

If you follow the above links you will see how to strengthening one-sided shoulder girdle problems. When the shoulder girdle is weak, it can cause winging. If it is just a little weak, like it is with this lady, then you may have headaches, because of the stretch to the upper trapezius. You might also develop rotator cuff impingement due to this problem.

How do you develop shoulder blade weakness? Usually it hppens because you might have an arm injury, which can make your muscle weak as they try to protect you and stop you from using an injured body part. Other causes can be prolonged computer use in which your arms and shoulder are held in the shoulder forward position.

It is an odd thing, and it doesn't really make sense, but it's true that weak hips can cause knee pain. "How is that?" you may wonder.

Look at this video taken about a week ago. This patient had a a new hip put in, so she is weak on her right (left side of the video). Watch her step down, and you will see her right hip shifts to the outside, and her right thigh and knee roll in. Because her right thigh rolls in her kneecap is tugged to the outside of its normal groove causing knee pain.

Check back tomorrow to see if her hip gets stronger and her knee pain goes away!